As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERG LIGHT SWITCH: EMERGENCY LIGHTS STAY ON IN FLIGHT WITH THE SWITCH IN THE ARM POSITION AND FLICKER AFTER FEW MINUTES. // SIGNOFF// ACCOMPLISHED SL 505-33-0005 AND FIM TASK 33-50-00-SLO-S0L·A AND DETERMINED THAT #1 FORWARD EMERGENCY BATTERY WAS WEAK/ LOW VOLTAGE AND NOT TAKING A CHARGE. INSTALLED NEW #1 EMERGENCY BATTERY P/N 74501.S-00 S/N 005802 IAW PH 300 AMM 33-52-01. ALL OP'S CHECKS NORMAL REMOVED BATTERY P/N 6450LS-00 5/N 002471